(b) Diamond extracts from the Kimberley mines. The first diamond found in South Africa, was discovered less than 30 miles away and within a few years, the mining town of Kimberley. Coal founded in Saar region. In the past, a coal mining was an important branch of industry. Cobalt founded in Katanga region. Katanga is one of the provinces of the Democratic Republic of the Congo. The eastern part of the province is a rich mining region, which supplies cobalt, copper, tin, radium, uranium, and diamonds. The region’s capital, Lubumbashi, is the second largest city in the Congo. Silver founded in Butte. Butte is a census-designated place (CDP) in Matanuska-Susitna Borough, Alaska, United States.
